Home / 89,437.12-123,396.28-53,614.06

Finding the Fourth Proportional to 89,437.12, 123,396.28 and 53,614.06

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Solution

The fourth proportional to 89,437.12, 123,396.28 and 53,614.06 is: 73,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,437.12 : 123,396.28 = 53,614.06 : x
  2. Step 2: Convert to fraction form
    89,437.12/123,396.28 = 53,614.06/x
  3. Step 3: Cross multiply
    89,437.12x = 123,396.28 × 53,614.06
  4. Step 4: Simplify right side
    89,437.12x = 6,615,775,117.17
  5. Step 5: Solve for x
    x = 6,615,775,117.17/89,437.12
  6. Step 6: Final answer
    x = 73,971.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.